CN218554526U - Repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline - Google Patents
Repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline Download PDFInfo
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- CN218554526U CN218554526U CN202222576238.1U CN202222576238U CN218554526U CN 218554526 U CN218554526 U CN 218554526U CN 202222576238 U CN202222576238 U CN 202222576238U CN 218554526 U CN218554526 U CN 218554526U
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Abstract
The application provides a repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline, wherein, repaired mouth rust cleaning device includes first tractor and rust cleaning mechanism in the minor diameter pipeline. The derusting mechanism and the first tractor are coaxially arranged at intervals, and one end of the derusting mechanism is connected with one end of the first tractor through a first flexible connecting piece. Can solve the anticorrosive treatment problem of repaired mouth in the current inner repaired mouth technique can't effectively realize the small diameter pipeline through this scheme.
Description
Technical Field
The application relates to the technical field of pipeline corrosion prevention, in particular to a repaired mouth rust removal device, a spraying device and a system in a small-diameter pipeline.
Background
Because the small-diameter pipeline (with the diameter of DN 80-DN 150) has the characteristics of multiple elbows and multiple inclination angles, the equipment adopted by the existing internal repaired mouth technology is very easy to block in the small-diameter pipeline, and is difficult to be suitable for the anti-corrosion treatment of the small-diameter pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline for solve the anticorrosive treatment problem of repaired mouth in the unable effective realization minor diameter pipeline of present repaired mouth technique. The specific technical scheme is as follows:
the first aspect, this application provides a repaired mouth rust cleaning device in minor diameter pipeline includes:
a first tractor;
the rust removing mechanism is arranged coaxially with the first tractor at an interval, and one end of the rust removing mechanism is connected with one end of the first tractor through a first flexible connecting piece.
In some embodiments of the present application, the first flexible connector is a hollow structure.
In some embodiments of the present application, the first flexible connection member includes a first corrugated tube, first connection flanges disposed at both ends of the first corrugated tube, and a first wire rope wound around an outer circumference of the first corrugated tube.
In some embodiments of the application, the outer circumferences of two ends of the derusting mechanism are respectively provided with a first supporting wheel set;
the first support wheel set comprises a plurality of first reset support wheels, and the outer contours of the first reset support wheels correspondingly change along with the change of the inner diameter of the pipeline.
In some embodiments of the present application, the rust removing mechanism further comprises a sander and a skiving assembly;
the scraping and grinding assembly comprises:
the flying disc is arranged at the output end of the grinding machine and can be driven by the grinding machine to rotate at a high speed;
one end of the scraping knife is hinged with the flying disc;
and one end of the extension spring is connected with the flying disc, and the other end of the extension spring is connected with the middle part of the scraping knife so that the scraping knife is pressed on the inner wall of the pipeline under the action of centrifugal force generated by high-speed rotation.
The second aspect, this application still provides a repaired mouth spraying device in minor diameter pipeline, includes:
a second tractor;
the spraying mechanism is coaxially arranged with the second tractor at intervals, and one end of the spraying mechanism is connected with one end of the second tractor through a second flexible connecting piece.
In some embodiments of the present application, the spraying mechanism comprises a storage bin, a feed pump assembly and a spraying assembly which are coaxially arranged at intervals in sequence;
the storage bin, the feeding pump assembly and the spraying assembly are connected through a second flexible connecting piece.
In some embodiments of the present application, the second flexible connection member includes a second corrugated tube, second connection flanges disposed at both ends of the second corrugated tube, and a second steel wire rope wound around an outer circumference of the second corrugated tube.
In some embodiments of the present application, the outer circumferences of both ends of the storage bin, the feed pump assembly and the spray assembly are respectively provided with a second supporting wheel set;
the second supporting wheel set comprises a plurality of second reset supporting wheels, and the outer contours of the second reset supporting wheels correspondingly change along with the change of the inner diameter of the pipeline.
In a third aspect, the present application further provides a small diameter pipe internal patch system, comprising:
the small-diameter pipeline internal repaired mouth rust removal device according to any one of the first aspect;
the small-diameter pipeline internal repaired mouth spraying device according to any one of the second aspect;
the external power supply and the external controller are electrically connected with the joint coating device in the small-diameter pipeline in a detachable mode through a cable.
The reference numerals in the drawings are explained as follows:
0-small diameter pipe;
1-a small-diameter pipeline inner joint derusting device;
11-a first tractor;
12 — a first flexible connector; 121 — a first bellows; 122 — a first connecting flange; 123-a first steel wire rope;
13-a derusting mechanism;
1311 — a first return support wheel;
132-a sander;
133-a skiving assembly; 1331-flying disc; 1332-scraping and grinding the knife; 1333-an extension spring;
2-a small-diameter pipeline inner repaired mouth spraying device;
21-a second tractor;
22-a second flexible connector;
23-a spraying mechanism;
2311-a second repositioning support wheel;
232-a storage bin; 233-a feed pump assembly; 234 — spray assembly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a small-diameter pipeline internal joint coating rust removal device provided by the application;
FIG. 2 is a schematic structural view of a first flexible connecting member in the rust removing apparatus of FIG. 1;
FIG. 3 is a schematic structural view of a rust removing mechanism in the rust removing device of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a sharpening assembly of the rust removing apparatus of FIG. 1 operating in a small diameter pipe;
FIG. 5 is a schematic structural diagram of a small-diameter pipeline internal patch spraying device provided by the present application;
FIG. 6 is a schematic view of a hopper of the spray mechanism of the spray apparatus of FIG. 5;
FIG. 7 is a schematic view of a feed pump assembly of the spray mechanism of the spray device of FIG. 5;
FIG. 8 is a schematic view of a spray assembly of the spray mechanism of the spray apparatus of FIG. 5;
FIG. 9 is a schematic view of the spray coating device of FIG. 5 operating at a small diameter pipe bend;
FIG. 10 is a schematic view of the spray coating device of FIG. 5 operating in small diameter pipes of different diameters;
fig. 11 is a schematic structural diagram of a small-diameter pipeline internal joint coating system provided by the application.
An icon: 0-a pipe; 1-a small-diameter pipeline inner joint derusting device; 11-a first tractor; 12 — a first flexible connector; 121-a first bellows; 122 — a first connecting flange; 123-a first steel wire rope; 13-a derusting mechanism; 1311 — a first return support wheel; 132-a sander; 133 — a scraping and grinding assembly; 1331-flying disc; 1332-scraping and grinding the knife; 1333-extension spring; 2-a small-diameter pipeline inner repaired mouth spraying device; 21-a second tractor; 22-a second flexible connector; 23-a spraying mechanism; 2311-a second repositioning support wheel; 232-a storage bin; 233-a feed pump assembly; 234 — spray assembly.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In order to solve the problem that the existing inner joint coating technology cannot effectively realize the anticorrosive treatment of the inner joint coating of the small-diameter pipeline, the embodiment of the application provides a joint coating rust removing device, a spraying device and a system in the small-diameter pipeline. The small-diameter pipeline internal repaired mouth derusting device provided by the embodiment of the application is firstly described in detail with reference to the attached drawings in the specification.
As shown in fig. 1 and 2, the small-diameter pipeline internal repaired mouth derusting device provided by the embodiment of the application comprises a first tractor 11 and a derusting mechanism 13.
The derusting mechanism 13 and the first tractor 11 are coaxially arranged at intervals, and one end of the derusting mechanism 13 is connected with one end of the first tractor 11 through a first flexible connecting piece 12.
Wherein, the small diameter pipeline 0 in the embodiment of the application refers to a pipeline with the pipe diameter of DN 80-DN 150. The first tractor 11 is used for driving the rust removing mechanism 13 to move in the small-diameter pipeline 0, and the rust removing mechanism 13 is used for removing oxide skin, rust, craters, welding slag, carbonized coatings and the like near a welding seam. When the inner joint coating operation of the small-diameter pipeline 0 is carried out, cleaning operations such as derusting, polishing and the like are firstly carried out on the welding line of the inner wall of the connecting part of the small-diameter pipeline 0.
According to the scheme provided by the application, referring to fig. 9, the first flexible connecting piece 12 is connected with the rust removing mechanism 13 and the first tractor 11 which are coaxially arranged at intervals, so that the rust removing device can pass through the small-diameter pipeline 0 at multiple angles, and the flexible movement of the rust removing device in the small-diameter pipeline 0 is realized. It is thus clear that can solve present interior joint coating technique and can't effectively realize the anticorrosive treatment problem of joint coating in the minor diameter pipeline through this scheme.
In some embodiments of the present application, the first flexible connector 12 is a hollow structure.
In the embodiment of the application, the first flexible connecting piece 12 is arranged to be a hollow structure, so that on one hand, the weight of the rust removing device can be reduced, and the probability of bending of the small-diameter pipeline 0 is reduced; on the other hand, the cable of the derusting mechanism 13 can be led out through the first flexible connecting piece 12, so that the space is saved.
As shown in fig. 2, in some embodiments of the present application, the first flexible connection 12 includes a first bellows 121, first connection flanges 122 disposed at both ends of the first bellows 121, and a first wire rope 123 wound around an outer circumference of the first bellows 121.
In the embodiment of the application, the first corrugated pipe 121 is used to connect the first tractor 11 and the derusting mechanism 13, and the first connecting flanges 122 at the two ends of the first corrugated pipe 121 penetrate through the first steel wire rope 123 around the outer wall of the first corrugated pipe 121. Through setting up first wire rope 123, can restrict first bellows 121 further to stretch when first bellows 121 is drawn to certain length, avoid too big pulling force to damage first bellows 121, effectively improve the life and the reliability of whole device.
Referring to fig. 1 and 10, in some embodiments of the present application, first supporting wheel sets are respectively provided on outer circumferences of both ends of the rust removing mechanism 13.
The first support wheel set comprises a plurality of first reset support wheels 1311, and the outer profile of the plurality of first reset support wheels 1311 changes correspondingly with the change of the inner diameter of the small-diameter pipeline 0.
There are various ways to change the outer contours of the first restoring support wheels 1311 according to the inner diameter of the small-diameter pipe 0. For example, the first reset supporting wheel 1311 can be connected to the outer circumference of the rust removal mechanism 13 through a rotating shaft, a pin shaft is arranged on the first reset supporting wheel 1311, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is abutted to the rust removal mechanism 13, the other end of the torsion spring is abutted to the pin shaft, so that the outer contours of the first reset supporting wheels 1311 can be automatically adjusted along with the change of the inner diameter of the small-diameter pipeline 0 through the restoring force of the torsion spring, the first reset supporting wheel 1311 is kept in contact with the inner diameter of the small-diameter pipeline 0, and the rust removal mechanism 13 can smoothly pass through the small-diameter pipelines 0 with different diameters.
In the embodiment of the present application, in addition to the driving wheel driven by the speed reducer at one end of the first tractor 11, a supporting wheel similar to the first supporting wheel set may be used at the other end of the first tractor 11.
In the embodiment of the application, the first supporting wheel group consisting of the first reset supporting wheels 1311 is arranged on the outer circumferences of the two ends of the derusting mechanism 13, so that the outer contour of the derusting mechanism 13 can adapt to small-diameter pipelines 0 with different inner diameters, the adaptability of the derusting device is effectively improved, and the capacity of crossing the weld joint to be convex and reducing is improved.
As shown in fig. 3 and 4, in some embodiments of the present application, rust removing mechanism 13 further includes a sander 132 and a skiving assembly 133; the sharpening assembly 133 includes a flying disc 1331, a sharpening blade 1332, and an extension spring 1333.
A flying disc 1331 is arranged at the output end of the grinding machine 132, and the flying disc 1331 can be driven by the grinding machine 132 to rotate at a high speed; one end of the scraping and grinding knife 1332 is hinged with the flying disc 1331; one end of the tension spring 1333 is connected to the flying disc 1331 and the other end is connected to the middle of the scraping and grinding blade 1332, so that the scraping and grinding blade 1332 is pressed against the inner wall of the small-diameter pipe 0 by the centrifugal force generated by the high-speed rotation.
Wherein, the scraping and grinding knife 1332 can adopt a columnar wire brush, a steel wire rope, a brown corundum grinding head and the like.
In the present embodiment, one end of the scraper 1332 is movably connected to the flying disc 1331 by a tension spring 1333. When the flying disc 1331 rotates at a high speed, the tool bit of the scraping and grinding tool 1332 extends out and presses the inner wall of the small-diameter pipeline 0 to grind under the action of centrifugal force; after flying disc 1331 has slowed or even stopped, tension spring 1333 acts and blade 1332 retracts to the side of flying disc 1331. The scheme can realize high-efficiency polishing operation in a narrow space of a small-diameter pipeline 0.
As shown in fig. 5 to 10, the embodiment of the present application further provides a small-diameter pipeline internal repaired mouth spraying device, which includes a second tractor 21 and a spraying mechanism 23.
The spraying mechanism 23 and the second tractor 21 are coaxially arranged at intervals, and one end of the spraying mechanism 23 is connected with one end of the second tractor 21 through a second flexible connecting piece 22.
The second tractor 21 is used for driving the spraying mechanism 23 to move in the small-diameter pipeline 0, and the spraying mechanism 23 is used for uniformly spraying paint on the inner wall of the welding seam position so as to realize corrosion prevention.
Similar with the embodiment of above-mentioned rust cleaning device, the spraying device that this application provided adopts flexible connection spare to connect equally, specifically speaking, connects spraying mechanism 23 and the second tractor 21 that coaxial interval set up through second flexible connection spare 22 for spraying device can be through the small diameter pipeline 0 of multi-angle, thereby realizes the nimble removal of spraying device in small diameter pipeline 0. It is thus clear that can solve present interior joint coating technique and can't effectively realize the anticorrosive treatment problem of joint coating in the small diameter pipeline 0 through this scheme.
As shown in fig. 5-8, in some embodiments of the present application, the spray mechanism 23 includes a silo 232, a feed pump assembly 233, and a spray assembly 234, which are coaxially spaced in sequence.
The silo 232, the supply pump assembly 233 and the spray assembly 234 are connected by a second flexible connection 22.
Wherein, the feed inlet of the feed pump component 233 can be connected with the storage bin 232 through a material pumping hose, and the discharge outlet of the feed pump can be connected with the sprayer of the spraying component 234 through a feeding hose. The sprayer can atomize and throw out the coating conveyed by the feeding hose through high-speed rotation, and the coating is uniformly sprayed on the inner wall of the welding seam position.
In the embodiment of the present application, the flexibility of moving the spraying device in the small-diameter pipeline 0 can be further improved by connecting the silo 232, the supply pump assembly 233 and the spraying assembly 234 through the second flexible connecting member 22.
Referring to fig. 2, in some embodiments of the present application, the second flexible connection 22 includes a second bellows, a second connection flange provided at both ends of the second bellows, and a second wire rope provided around an outer circumference of the second bellows.
In the embodiment of the application, through setting up second wire rope, can restrict the second bellows further tensile when the second bellows is pulled to certain length, avoid too big pulling force to damage the second bellows, effectively improve the life and the reliability of whole device.
As shown in fig. 5 to 10, in some embodiments of the present application, the second supporting wheel sets are respectively provided at the outer circumferences of both ends of the hopper 232, the supply pump assembly 233, and the spray assembly 234.
The second support wheel set includes a plurality of second restoring support wheels 2311, and the outer contours of the plurality of second restoring support wheels 2311 are changed correspondingly with the change of the inner diameter of the small-diameter pipeline 0.
In the embodiment of the application, the structure of the second reset supporting wheel 2311 is similar to that of the first reset supporting wheel 1311 in the embodiment of the rust removing device, and a structural form of rotating a rotating shaft and a torsion spring can be adopted, so that the details are not repeated.
Finally, as shown in fig. 11, the present application further provides a small-diameter pipeline internal joint coating system, which includes the small-diameter pipeline internal joint coating rust removing device 1 as described in any one of the above embodiments, the small-diameter pipeline internal joint coating device 2 as described in any one of the above embodiments, an external power supply, and an external controller.
The external power supply and the external controller are detachably and electrically connected with the small-diameter pipeline inner joint derusting device 1 and the small-diameter pipeline inner joint spraying device 2 through cables.
Wherein, the power supply can adopt mobile power supply equipment such as lithium cell group. The external controller can respectively control the rust removal device and the spraying device to move to the position of the welding line for polishing and spraying operation.
The small-diameter pipe 0 applied to the present embodiment has a small diameter and a thin wall, and therefore has low rigidity and is easily bent. And this application scheme sets up external power supply and external controller outside minor diameter pipeline 0, can effectively alleviate the weight of the equipment of work in minor diameter pipeline 0 to reduce the probability that minor diameter pipeline 0 takes place to buckle.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a repaired mouth rust cleaning device in minor diameter pipeline which characterized in that includes:
a first tractor (11);
the rust removal mechanism (13) is coaxially arranged with the first tractor (11) at an interval, and one end of the rust removal mechanism (13) is connected with one end of the first tractor (11) through a first flexible connecting piece (12).
2. The inside repaired mouth rust removal device for small-diameter pipes according to claim 1, characterized in that the first flexible connecting piece (12) is of a hollow structure.
3. The internal repaired mouth rust removing device for the small-diameter pipeline as claimed in claim 2, wherein the first flexible connecting piece (12) comprises a first corrugated pipe (121), first connecting flanges (122) arranged at both ends of the first corrugated pipe (121), and a first steel wire rope (123) wound around the outer circumference of the first corrugated pipe (121).
4. The small-diameter pipeline internal joint coating rust removal device as claimed in any one of claims 1 to 3, wherein the outer circumferences of two ends of the rust removal mechanism (13) are respectively provided with a first supporting wheel set;
the first support wheel set comprises a plurality of first reset support wheels (1311), and the outer contours of the first reset support wheels (1311) change correspondingly with the change of the inner diameter of the pipeline.
5. The inside repaired mouth rust removing device for the small-diameter pipeline according to claim 1, characterized in that the rust removing mechanism (13) further comprises a grinding machine (132) and a scraping and grinding assembly (133);
the abrading assembly (133) comprises:
the flying disc (1331) is arranged at the output end of the grinding machine (132), and the flying disc (1331) can be driven by the grinding machine (132) to rotate at a high speed;
a scraping knife (1332), one end of the scraping knife (1332) is hinged with the flying disc (1331);
and one end of the extension spring (1333) is connected with the flying disc (1331), and the other end of the extension spring (1333) is connected with the middle part of the scraping knife (1332), so that the scraping knife (1332) is tightly pressed on the inner wall of the pipeline under the action of centrifugal force generated by high-speed rotation.
6. The utility model provides a repaired mouth spraying device in minor diameter pipeline which characterized in that includes:
a second tractor (21);
the spraying mechanism (23) and the second tractor (21) are coaxially arranged at intervals, and one end of the spraying mechanism (23) is connected with one end of the second tractor (21) through a second flexible connecting piece (22).
7. The coating device for the small-diameter pipeline inner repaired mouth as claimed in claim 6, characterized in that the coating mechanism (23) comprises a storage bin (232), a feeding pump assembly (233) and a coating assembly (234) which are coaxially arranged at intervals in sequence;
the storage bin (232), the feeding pump assembly (233) and the spraying assembly (234) are connected through a second flexible connecting piece (22).
8. The small-diameter pipeline internal patch spraying device according to claim 6 or 7, wherein the second flexible connecting member (22) comprises a second corrugated pipe, second connecting flanges arranged at both ends of the second corrugated pipe, and a second steel wire rope wound around the outer circumference of the second corrugated pipe.
9. The coating device for the small-diameter pipeline inner repaired mouth as claimed in claim 7, wherein the outer circumferences of the two ends of the storage bin (232), the feed pump assembly (233) and the coating assembly (234) are respectively provided with a second supporting wheel set;
the second supporting wheel set comprises a plurality of second resetting supporting wheels (2311), and the outer contours of the second resetting supporting wheels (2311) change correspondingly along with the change of the inner diameter of the pipeline.
10. A small diameter pipe internal patch system, comprising:
the small-diameter pipeline internal repaired mouth rust removing device (1) as claimed in any one of claims 1 to 5;
the small-diameter pipe inside repaired mouth spraying device (2) as set forth in any one of claims 6-9;
the external power supply and the external controller are electrically connected with the small-diameter pipeline inner joint derusting device (1) and the small-diameter pipeline inner joint spraying device (2) in a detachable mode through cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576238.1U CN218554526U (en) | 2022-09-28 | 2022-09-28 | Repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222576238.1U CN218554526U (en) | 2022-09-28 | 2022-09-28 | Repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline |
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| Publication Number | Publication Date |
|---|---|
| CN218554526U true CN218554526U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222576238.1U Active CN218554526U (en) | 2022-09-28 | 2022-09-28 | Repaired mouth rust cleaning device, spraying device and system in minor diameter pipeline |
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| Country | Link |
|---|---|
| CN (1) | CN218554526U (en) |
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- 2022-09-28 CN CN202222576238.1U patent/CN218554526U/en active Active
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